Police arrested 30 motorists for driving under the influence of an intoxicant March 3 through Sunday.
Seven of the drivers were involved in traffic crashes. One was younger than of 21, according to the Hawaii County Police Department.
Kona police arrested 14 motorists, South Hilo officers arrested six, while Puna officers arrested seven and South Kohala cited four drivers, according to police.
So far this year, police have made 254 DUI arrests compared, with 234 during the same period last year. There have been 316 major accidents so far this year compared with 256 during the same period last year.
There have been three traffic fatalities on Hawaii Island this year compared with nine during the same period last year. One fatality was related to drugs and one to a combination of drugs and alcohol.
DUI roadblocks and patrols will continue islandwide.